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CHEM 120 Week 7 Lab practicum

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CHEM 120 Week 7 Lab practicum

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  • October 28, 2024
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  • 2024/2025
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CHEM 120 Week 7 Lab practicum (100% Correct)
Chamberlain University


Scientific Method - ANSWER Consist of observation, hypothesis, experimental
design, results, and theory

independent variable - ANSWER variable that is manipulated

dependent variable - ANSWER The measurable effect, outcome, or response

Theory - ANSWER Explains why you got the results.

Protons - ANSWER positively charged particles in the nucleus

Neutron - ANSWER no charge, found in nucleus

Electron - ANSWER negatively charged particle outside the nucleus

atomic number - ANSWER the number of protons in the nucleus of an atom

Mass number - ANSWER the total number of protons and neutrons in the nucleus of
an atom

Ions - ANSWER positively and negatively charged atoms

Cation - ANSWER A positively charged ion - metal

Anion - ANSWER A negatively charged ion - nonmetal

Isotope - ANSWER Atoms of the same element that have different numbers of
neutrons

C-14 - ANSWER 6 protons, 8 neutrons, 6 electrons

ionic compound properties - ANSWER Metal and non metal; completely dissociat in
water

name molecular (covalent) compounds - ANSWER Two or more nonmetals; add
prefixes; 1st element retains name - add ide to second element

ionic compound - ANSWER metal and nonmetal; no prefixes; name cation then
anion - add ide to anion

1 - ANSWER Mono

2 - ANSWER Di

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